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Our products comply with ASTM, DIN, GB, JIS, and other international standards.

What is the minimum order quantity?

The minimum order quantity is 5 tons, though some sources indicate 1 ton for general inquiries.

Hot Selling S390gd+Zm Cold Rolled Rectangular/Square Steel Pipe

Name: Hot Selling S390gd+Zm Cold Rolled Rectangular/Square Steel Pipe
Brand: Shandong Desheng Supply Chain Management Co., Ltd.
SKU: 2178150245

Shandong, ChinaShandong Desheng Supply Chain Management Co., Ltd.

US$655.00

10-19 Tons

US$635.00

20-29 Tons

US$605.00

30+ Tons

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours 7 Days

Warranty

10 Years

Model NO.

Rectangular Pipe

Type

Welded

Technique

Cold Rolled

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Square

Packing

Bundle

Width

50mm or as Required

Steel Shape

Square/Rectangular

MOQ

5 Ton

Loading Port

Qingdao, Yantai, Shanghai, etc

Zinc Coating

Z30-Z40 or as Your Requirement

Payment

508mm30%T/T Advance + 70% Balance

Delivery Time

15-20 Days

Processing

Galvanized

Weight

10 Tons, as Required

Standard

ASTM/AISI/GB/JIS/DIN/En

Pipe Shape

Square

Pipe Usage

Mechanical & Manufacture, Steel Structure

Price Term

CIF CFR Fob EXW

Surface

Galvanized

Transport Package

Standard Sea Freight

Specification

50*50mm

Trademark

Desheng

Origin

China

HS Code

72107010

Production Capacity

2000 Tons Per Month

Key features

10-Year Warranty: Comprehensive 10-year warranty coverage for mechanical defects and material integrity.

30-Year Rust Protection: Hot-dip galvanized coating provides rust-free protection for up to 30 years.

Customizable Dimensions: Width and zinc coating (Z30-Z40) can be customized as per customer requirements.

Multi-Standard Compliance: Meets ASTM, DIN, GB, JIS, and other international steel pipe standards.

High Production Capacity: Monthly productivity of 3000 metric tons ensures reliable supply for large projects.

Flexible Payment Terms: Accepts 30% T/T advance and 70% balance, plus L/C options for secure transactions.

Free Sample Available: Free small-size samples provided; customer only covers delivery fees.

Versatile Applications: Suitable for pipeline transport, construction, oil/gas drilling, and machinery industries.

Company profile

Shandong Desheng Supply Chain Management Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤10.95h

AI-Powered supplier vetting

SummaryThe supplier operates in mechanical and electrical equipment, electronic components, photovoltaic equipment, charging stations, distribution switchgear, batteries, battery parts, and recycling. It demonstrates broad customization, OEM and ODM capabilities, but has only one R&D engineer and launched no new products in the past year. ISO9001:2015 certification is reported. Service controls include written procedures, records, approved-supplier management, and corrective/preventive actions, while complaint handling is documented. However, the supplier reports no inventory, overseas warehouse, showroom, agent, or branch service capability; quality assurance and traceability statuses are unknown, and quality-control testing equipment is reported as zero. Financial records are referenced for 2021–2023, but the provided data does not establish financial strength. Peak-season fulfillment is within 15 workdays, and export sales account for 71%–90% of total sales. Customer evidence includes OEM service for known...

Supplier typeThe supplier is a diversified mechanical, electrical, electronic, photovoltaic, charging-station, switchgear, battery, battery-parts, and recycling business. It also provides OEM and ODM services and supports multiple forms of product customization, indicating a manufacturer/service-oriented supplier rather than a narrowly focused trading profile.

CertificationsISO9001:2015 certification is explicitly reported in both the sustainable-development and management-system records. This supports an advantage in formal quality-management certification, although the actual status of several quality-control practices remains unknown.

After-Sales capabilityThe supplier has documented complaint-handling procedures and records, supplier-service assessment procedures, an approved supplier list, and corrective/preventive-action procedures. However, it reports no inventory, overseas warehouse, overseas showroom, overseas agent, or branch capability, so its overseas after-sales infrastructure is limited.

R&D capabilityThe supplier has one R&D engineer and offers ODM and design-related services, but it launched no new products in the past year and has no available SDK. The combination supports customization-oriented development but provides explicit evidence of weak recent product innovation.

Production capacityThe supplier covers a broad range of equipment and battery-related products, claims well-equipped facilities and quality control throughout production stages, and reports peak-season order fulfillment within 15 workdays. However, it explicitly has no in-stock capacity, so inventory-based production readiness is limited.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also offers ODM services, directly supporting a strong customization capability.

Client casesThe supplier reports OEM service for known brands, customers in over 40 countries, and export sales of 71%–90% of total sales. However, it reports no cooperation with Fortune 500 companies, and no specific customer names or verifiable case details are provided.